Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585578 | Electrically conductive plastic complex material | Kunio Yonahara, Hiroshi Miyagawa | 1986-04-29 |
| 4562113 | Electrically conductive plastic complex material | Kunio Yonahara | 1985-12-31 |